Last modified by Mengting Qiu on 2024/04/30 14:27
<
From version < 58.5 >
edited by Xiaoling
on 2022/05/23 14:51
To version < 55.2 >
edited by Xiaoling
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Summary

Details

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Content
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1 1  (% style="text-align:center" %)
2 -[[image:image-20220523115324-1.jpeg||height="500" width="500"]]
2 +[[image:image-20220523111447-1.jpeg||height="448" width="448"]]
3 3  
4 +{{box cssClass="floatinginfobox" title="**Contents**"}}
5 +{{toc/}}
6 +{{/box}}
4 4  
5 -**LHT65N LoRaWAN Temperature & Humidity Sensor Manual**
6 -
7 -
8 -
9 -**Table of Contents：**
10 -
11 11  {{toc/}}
12 12  
13 -
14 -
15 15  = 1.Introduction =
16 16  
17 17  == 1.1 What is LHT65N Temperature & Humidity Sensor ==
18 18  
19 -(((
20 -The Dragino LHT65N Temperature & Humidity sensor is a Long Range LoRaWAN Sensor. It includes a (% style="color:#4f81bd" %)**built-in Temperature & Humidity sensor**(%%) and has an external sensor connector to connect to an external (% style="color:#4f81bd" %)**Temperature Sensor**(%%)**.**
21 -)))
22 22  
23 -(((
15 +The Dragino LHT65N Temperature & Humidity sensor is a Long Range LoRaWAN Sensor. It includes a(% class="mark" %) **built-in Temperature & Humidity sensor**(%%) and has an external sensor connector to connect to an external (% class="mark" %)**Temperature Sensor**(%%)**.**
16 +
24 24  The LHT65N allows users to send data and reach extremely long ranges. It provides ultra-long range spread spectrum communication and high interference immunity whilst minimizing current consumption. It targets professional wireless sensor network applications such as irrigation systems, smart metering, smart cities, building automation, and so on.
25 -)))
26 26  
27 -(((
28 28  LHT65N has a built-in 2400mAh non-chargeable battery which can be used for up to 10 years*.
29 -)))
30 30  
31 -(((
32 32  LHT65N is full compatible with LoRaWAN v1.0.3 Class A protocol, it can work with a standard LoRaWAN gateway.
33 -)))
34 34  
35 -(((
36 -LHT65N supports (% style="color:#4f81bd" %)**Datalog Feature**(%%). It will record the data when there is no network coverage and users can retrieve the sensor value later to ensure no miss for every sensor reading.
37 -)))
23 +LHT65N supports (% class="mark" %)Datalog Feature(%%). It will record the data when there is no network coverage and users can retrieve the sensor value later to ensure no miss for every sensor reading.
38 38  
39 -(((
40 40  *The actual battery life depends on how often to send data, please see the battery analyzer chapter.
41 -)))
42 42  
43 43  == 1.2 Features ==
44 44  
... ... @@ -56,69 +56,36 @@
56 56  
57 57  == 1.3 Specification ==
58 58  
59 -(((
60 60  **Built-in Temperature Sensor:**
61 -)))
62 62  
63 -* (((
64 -Resolution: 0.01 °C
65 -)))
66 -* (((
67 -Accuracy Tolerance : Typ ±0.3 °C
68 -)))
69 -* (((
70 -Long Term Drift: < 0.02 °C/yr
71 -)))
72 -* (((
73 -Operating Range: -40 ~~ 85 °C
74 -)))
45 +* Resolution: 0.01 °C
46 +* Accuracy Tolerance : Typ ±0.3 °C
47 +* Long Term Drift: < 0.02 °C/yr
48 +* Operating Range: -40 ~~ 85 °C
75 75  
76 -(((
77 77  **Built-in Humidity Sensor:**
78 -)))
79 79  
80 -* (((
81 -Resolution: 0.04 %RH
82 -)))
83 -* (((
84 -Accuracy Tolerance : Typ ±3 %RH
85 -)))
86 -* (((
87 -Long Term Drift: < 0.02 °C/yr
88 -)))
89 -* (((
90 -Operating Range: 0 ~~ 96 %RH
91 -)))
52 +* Resolution: 0.04 %RH
53 +* Accuracy Tolerance : Typ ±3 %RH
54 +* Long Term Drift: < 0.02 °C/yr
55 +* Operating Range: 0 ~~ 96 %RH
92 92  
93 -(((
94 94  **External Temperature Sensor:**
95 -)))
96 96  
97 -* (((
98 -Resolution: 0.0625 °C
99 -)))
100 -* (((
101 -±0.5°C accuracy from -10°C to +85°C
102 -)))
103 -* (((
104 -±2°C accuracy from -55°C to +125°C
105 -)))
106 -* (((
107 -Operating Range: -55 °C ~~ 125 °C
108 -)))
59 +* Resolution: 0.0625 °C
60 +* ±0.5°C accuracy from -10°C to +85°C
61 +* ±2°C accuracy from -55°C to +125°C
62 +* Operating Range: -55 °C ~~ 125 °C
109 109  
110 110  = 2. Connect LHT65N to IoT Server =
111 111  
112 112  == 2.1 How does LHT65N work? ==
113 113  
114 -(((
115 115  LHT65N is configured as LoRaWAN OTAA Class A mode by default. Each LHT65N is shipped with a worldwide unique set of OTAA keys. To use LHT65N in a LoRaWAN network, first, we need to put the OTAA keys in LoRaWAN Network Server and then activate LHT65N.
116 -)))
117 117  
118 -(((
119 119  If LHT65N is under the coverage of this LoRaWAN network. LHT65N can join the LoRaWAN network automatically. After successfully joining, LHT65N will start to measure environment temperature and humidity, and start to transmit sensor data to the LoRaWAN server. The default period for each uplink is 20 minutes.
120 -)))
121 121  
72 +
122 122  == 2.2 How to Activate LHT65N? ==
123 123  
124 124  The LHT65N has two working modes:
... ... @@ -126,17 +126,15 @@
126 126  * **Deep Sleep Mode**: LHT65N doesn’t have any LoRaWAN activation. This mode is used for storage and shipping to save battery life.
127 127  * **Working Mode**: In this mode, LHT65N works as LoRaWAN Sensor mode to Join LoRaWAN network and send out the sensor data to the server. Between each sampling/tx/rx periodically, LHT65 will be in STOP mode (IDLE mode), in STOP mode, LHT65N has the same power consumption as Deep Sleep mode. 
128 128  
129 -(((
130 130  The LHT65N is set in deep sleep mode by default; The ACT button on the front is to switch to different modes:
131 -)))
132 132  
133 133  [[image:image-20220515123819-1.png||height="379" width="317"]]
134 134  
135 -(% border="1" style="background-color:#ffffcc; color:green; width:739px" %)
136 -|**Behavior on ACT**|**Function**|(% style="width:424px" %)**Action**
137 -|**Pressing ACT between 1s < time < 3s**|Test uplink status|(% style="width:424px" %)If LHT65N is already Joined to the LoRaWAN network, LHT65N will send an uplink packet, if LHT65N has an external sensor connected, blue led will blink once. If LHT65N has no external sensor, red led will blink once.
138 -|**Pressing ACT for more than 3s**|Active Device|(% style="width:424px" %)green led will fast blink 5 times, LHT65N will enter working mode and start to JOIN LoRaWAN network. green led will solid turn on for 5 seconds after join in network.
139 -|**Fast press ACT 5 times**|Deactivate Device|(% style="width:424px" %)red led will solid on for 5 seconds. This means LHT65N is in Deep Sleep Mode.
84 +(% border="1" %)
85 +|**Behavior on ACT**|**Function**|**Action**
86 +|**Pressing ACT between 1s < time < 3s**|Test uplink status|If LHT65N is already Joined to the LoRaWAN network, LHT65N will send an uplink packet, if LHT65N has an external sensor connected, blue led will blink once. If LHT65N has no external sensor, red led will blink once.
87 +|**Pressing ACT for more than 3s**|Active Device|green led will fast blink 5 times, LHT65N will enter working mode and start to JOIN LoRaWAN network. green led will solid turn on for 5 seconds after join in network.
88 +|**Fast press ACT 5 times**|Deactivate Device|red led will solid on for 5 seconds. This means LHT65N is in Deep Sleep Mode.
140 140  
141 141  == 2.3 Example to join LoRaWAN network ==
142 142  
... ... @@ -149,7 +149,7 @@
149 149  Assume the LPS8N is already set to connect to [[TTN V3 network>>url:https://eu1.cloud.thethings.network]], So it provides network coverage for LHT65N. Next we need to add the LHT65N device in TTN V3:
150 150  
151 151  
152 -=== 2.3.1 Step 1: Create Device n TTN ===
101 +=== **2.3.1 Step 1**: Create Device n TTN ===
153 153  
154 154  Create a device in TTN V3 with the OTAA keys from LHT65N.
155 155  
... ... @@ -163,8 +163,10 @@
163 163  
164 164  [[image:image-20220522232916-3.png]]
165 165  
115 +
166 166  [[image:image-20220522232932-4.png]]
167 167  
118 +
168 168  [[image:image-20220522232954-5.png]]
169 169  
170 170  Note: LHT65N use same payload as LHT65.
... ... @@ -181,61 +181,33 @@
181 181  
182 182  Use ACT button to activate LHT65N and it will auto-join to the TTN V3 network. After join success, it will start to upload sensor data to TTN V3 and user can see in the panel.
183 183  
184 -[[image:image-20220522233300-8.png||height="219" width="722"]]
135 +[[image:image-20220522233300-8.png]]
185 185  
186 186  
187 -== 2.4 Uplink Payload ==
138 +== Uplink Payload: ==
188 188  
189 -The uplink payload includes totally 11 bytes. Uplink packets use FPORT=2 and (% style="color:#4f81bd" %)**every 20 minutes**(%%) send one uplink by default.
140 +The uplink payload includes totally 11 bytes. Uplink packets use FPORT=2 and(% class="mark" %) every 20 minutes(%%) send one uplink by default.
190 190  
191 -After each uplink, the (% style="color:blue" %)**BLUE LED**(%%) will blink once.
142 +After each uplink, the (% class="mark" %)BLUE LED(%%) will blink once.
192 192  
193 193  
194 -(% border="1" style="background-color:#ffffcc; color:green; width:428px" %)
195 -|(% style="width:106px" %)(((
196 -**Size(bytes)**
197 -)))|(% style="width:46px" %)(((
198 -**2**
199 -)))|(% style="width:104px" %)(((
200 -**2**
201 -)))|(% style="width:80px" %)(((
202 -**2**
203 -)))|(% style="width:51px" %)(((
204 -**1**
205 -)))|(% style="width:35px" %)(((
206 -**4**
207 -)))
208 -|(% style="width:106px" %)(((
209 -**Value**
210 -)))|(% style="width:46px" %)(((
211 -[[BAT>>path:http://8.211.40.43/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LHT65N%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20Manual/#H2.4.2BAT-BatteryInfo]]
212 -)))|(% style="width:104px" %)(((
213 -(((
214 -[[Built-In>>http://8.211.40.43/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LHT65N%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20Manual/#H2.4.3Built-inTemperature]]
215 -)))
145 +(% style="width:572px" %)
146 +|(% style="width:106px" %)**Size(bytes)**|(% style="width:71px" %)**2**|(% style="width:128px" %)**2**|(% style="width:103px" %)**2**|(% style="width:72px" %)**1**|(% style="width:89px" %)**4**
147 +|(% style="width:106px" %)**Value**|(% style="width:71px" %)[[BAT>>path:#Battery]]|(% style="width:128px" %)(((
148 +[[Built-In>>path:#SHT20_Temperature]]
216 216  
217 -(((
218 -[[Temperature>>http://8.211.40.43/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LHT65N%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20Manual/#H2.4.3Built-inTemperature]]
219 -)))
220 -)))|(% style="width:80px" %)(((
221 -(((
222 -[[Built-in>>path:http://8.211.40.43/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LHT65N%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20Manual/#H2.4.4Built-inHumidity]]
223 -)))
150 +[[Temperature>>path:#SHT20_Temperature]]
151 +)))|(% style="width:103px" %)(((
152 +[[Built-in>>path:#SHT20_Humidity]]
224 224  
225 -(((
226 -[[Humidity>>path:http://8.211.40.43/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LHT65N%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20Manual/#H2.4.4Built-inHumidity]]
227 -)))
228 -)))|(% style="width:51px" %)(((
229 -[[Ext>>path:#Extension_Sensor]] #
230 -)))|(% style="width:35px" %)(((
231 -[[Ext value>>path:http://8.211.40.43/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LHT65N%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20Manual/#H2.4.6Extvalue]]
232 -)))
154 +[[Humidity>>path:#SHT20_Humidity]]
155 +)))|(% style="width:72px" %)[[Ext>>path:#Extension_Sensor]] #|(% style="width:89px" %)[[Ext value>>path:#Extension_sensor_value]]
233 233  
234 234  * The First 6 bytes: has fix meanings for every LHT65N.
235 235  * The 7th byte (EXT #): defines the external sensor model.
236 236  * The 8^^th^^ ~~ 11^^th^^ byte: the value for external sensor value. The definition is based on external sensor type. (If EXT=0, there won’t be these four bytes.)
237 237  
238 -=== 2.4.1 Decoder in TTN V3 ===
161 +=== Decoder in TTN V3 ===
239 239  
240 240  When the uplink payload arrives TTNv3, it shows HEX format and not friendly to read. We can add LHT65N decoder in TTNv3 for friendly reading.
241 241  
... ... @@ -243,47 +243,28 @@
243 243  
244 244  [[https:~~/~~/www.dropbox.com/sh/r2i3zlhsyrpavla/AAB1sZw3mdT0K7XjpHCITt13a?dl=0 >>https://www.dropbox.com/sh/r2i3zlhsyrpavla/AAB1sZw3mdT0K7XjpHCITt13a?dl=0]]
245 245  
246 -[[image:image-20220522234118-10.png||height="353" width="729"]]
169 +[[image:image-20220522234118-10.png]]
247 247  
248 -=== 2.4.2 BAT-Battery Info ===
249 249  
172 +=== BAT-Battery Info ===
173 +
250 250  These two bytes of BAT include the battery state and the actually voltage
251 251  
252 -(% border="1" style="background-color:#ffffcc; color:green; width:502px" %)
253 -|(% style="width:75px" %)(((
254 -Bit(bit)
255 -)))|(% style="width:259px" %)(((
256 -[15:14]
257 -)))|(% style="width:164px" %)(((
258 -[13:0]
259 -)))
260 -|(% style="width:75px" %)(((
261 -Value
262 -)))|(% style="width:259px" %)(((
263 -(((
176 +(% style="width:646px" %)
177 +|Bit(bit)|(% style="width:272px" %)[15:14]|(% style="width:214px" %)[13:0]
178 +|Value|(% style="width:272px" %)(((
264 264  BAT Status
265 -)))
266 266  
267 -(((
268 268  00(b): Ultra Low ( BAT <= 2.50v)
269 -)))
270 270  
271 -(((
272 272  01(b): Low  (2.50v <=BAT <= 2.55v)
273 -)))
274 274  
275 -(((
276 276  10(b): OK   (2.55v <= BAT <=2.65v)
277 -)))
278 278  
279 -(((
280 280  11(b): Good   (BAT >= 2.65v)
281 -)))
282 -)))|(% style="width:164px" %)(((
283 -Actually BAT voltage
284 -)))
188 +)))|(% style="width:214px" %)Actually BAT voltage
285 285  
286 -[[image:image-20220522235639-1.png||height="139" width="727"]]
190 +[[image:image-20220522235639-1.png]]
287 287  
288 288  Check the battery voltage for LHT65N.
289 289  
... ... @@ -290,9 +290,9 @@
290 290  * BAT status=(0Xcba4>>14)&0xFF=11(B)，very good
291 291  * Battery Voltage =0xCBF6&0x3FFF=0x0BA4=2980mV
292 292  
293 -=== 2.4.3 Built-in Temperature ===
197 +=== Built-in Temperature ===
294 294  
295 -[[image:image-20220522235639-2.png||height="138" width="722"]]
199 +[[image:image-20220522235639-2.png]]
296 296  
297 297  * Temperature:  0x0ABB/100=27.47℃
298 298  
... ... @@ -300,69 +300,72 @@
300 300  
301 301  * Temperature:  (0xF5C6-65536)/100=-26.18℃
302 302  
303 -=== 2.4.4 Built-in Humidity ===
207 +=== Built-in Humidity ===
304 304  
305 -[[image:image-20220522235639-4.png||height="138" width="722"]]
209 +[[image:image-20220522235639-4.png]]
306 306  
307 307  * Humidity:    0x025C/10=60.4%
308 308  
309 -=== 2.4.5 Ext # ===
213 +=== Ext # ===
310 310  
311 311  Bytes for External Sensor:
312 312  
313 -(% border="1" style="background-color:#ffffcc; color:green; width:473px" %)
314 -|(% style="width:139px" %)**EXT # Value**|(% style="width:331px" %)**External Sensor Type**
315 -|(% style="width:139px" %)0x01|(% style="width:331px" %)Sensor E3, Temperature Sensor
316 -|(% style="width:139px" %)0x09|(% style="width:331px" %)Sensor E3, Temperature Sensor, Datalog Mod
217 +(% style="width:624px" %)
218 +|(% style="width:139px" %)**EXT # Value**|(% style="width:484px" %)**External Sensor Type**
219 +|(% style="width:139px" %)0x01|(% style="width:484px" %)Sensor E3, Temperature Sensor
220 +|(% style="width:139px" %)0x09|(% style="width:484px" %)Sensor E3, Temperature Sensor, Datalog Mod
317 317  
318 -=== 2.4.6 Ext value ===
222 +=== Ext value ===
319 319  
320 -==== 2.4.6.1 Ext~=1, E3 Temperature Sensor ====
224 +==== Ext~=1, E3 Temperature Sensor ====
321 321  
322 322  [[image:image-20220522235639-5.png]]
323 323  
228 +
324 324  * DS18B20 temp=0x0ADD/100=27.81℃
325 325  
326 326  The last 2 bytes of data are meaningless
327 327  
233 +
234 +
328 328  [[image:image-20220522235639-6.png]]
329 329  
330 330  * External temperature= (0xF54F-65536)/100=-27.37℃
331 331  
332 -(((
333 333  The last 2 bytes of data are meaningless
334 -)))
335 335  
336 -(((
241 +
337 337  If the external sensor is 0x01, and there is no external temperature connected. The temperature will be set to 7FFF which is 327.67℃
338 -)))
339 339  
340 340  
341 -==== 2.4.6.2 Ext~=9, E3 sensor with Unix Timestamp ====
245 +==== Ext~=9, E3 sensor with Unix Timestamp ====
342 342  
343 343  Timestamp mode is designed for LHT65N with E3 probe, it will send the uplink payload with Unix timestamp. With the limitation of 11 bytes (max distance of AU915/US915/AS923 band), the time stamp mode will be lack of BAT voltage field, instead, it shows the battery status. The payload is as below:
344 344  
345 -(% border="1" style="background-color:#ffffcc; color:green; width:541px" %)
346 -|(% style="width:96px" %)**Size(bytes)**|(% style="width:71px" %)**2**|(% style="width:69px" %)**2**|(% style="width:88px" %)**2**|(% style="width:69px" %)**1**|(% style="width:85px" %)**4**
347 -|(% style="width:96px" %)**Value**|(% style="width:71px" %)[[External temperature>>http://8.211.40.43/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LHT65N%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20Manual/#H4.2SetExternalSensorMode]]|(% style="width:69px" %)(((
348 -[[Built-In>>http://8.211.40.43/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LHT65N%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20Manual/#H2.4.3Built-inTemperature]]
349 349  
350 -[[Temperature>>http://8.211.40.43/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LHT65N%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20Manual/#H2.4.3Built-inTemperature]]
351 -)))|(% style="width:88px" %)(((
352 -BAT Status &
250 +(% style="width:697px" %)
251 +|(% style="width:96px" %)**Size(bytes)**|(% style="width:164px" %)**2**|(% style="width:104px" %)**2**|(% style="width:106px" %)**2**|(% style="width:108px" %)**1**|(% style="width:116px" %)**4**
252 +|(% style="width:96px" %)**Value**|(% style="width:164px" %)[[External temperature>>path:#DS18b20_value]]|(% style="width:104px" %)(((
253 +[[Built-In>>path:#SHT20_Temperature]]
353 353  
354 -[[Built-in>>http://8.211.40.43/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LHT65N%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20Manual/#H2.4.4Built-inHumidity]]
255 +[[Temperature>>path:#SHT20_Temperature]]
256 +)))|(% style="width:106px" %)(((
257 +[[BAT Status &>>path:#BAT_Humidity]]
355 355  
356 -[[Humidity>>http://8.211.40.43/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LHT65N%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20Manual/#H2.4.4Built-inHumidity]]
357 -)))|(% style="width:69px" %)Status & Ext|(% style="width:85px" %)(((
358 -[[Unix Time Stamp>>path:http://8.211.40.43/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LHT65N%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20Manual/#H4.1SetTransmitIntervalTime]]
259 +[[Built-in>>path:#BAT_Humidity]]
260 +
261 +[[Humidity>>path:#BAT_Humidity]]
262 +)))|(% style="width:108px" %)[[Status & Ext>>path:#Status_EXT]]|(% style="width:116px" %)(((
263 +[[Unix>>path:#Unix_Time_Stamp]]
264 +
265 +[[Time Stamp>>path:#Unix_Time_Stamp]]
359 359  )))
360 360  
361 -* **Battery status & (% class="wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink" %)Built-in Humidity(%%)**
268 +* **Battery status & **[[(% class="wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink" %)**Built-in Humidity**>>path:#SHT20_Humidity]]
362 362  
363 -(% border="1" style="background-color:#ffffcc; color:green; width:469px" %)
364 -|(% style="width:65px" %)Bit(bit)|(% style="width:267px" %)[15:14]|(% style="width:134px" %)[11:0]
365 -|(% style="width:65px" %)Value|(% style="width:267px" %)(((
270 +(% style="width:587px" %)
271 +|Bit(bit)|(% style="width:280px" %)[15:14]|(% style="width:136px" %)[11:0]
272 +|Value|(% style="width:280px" %)(((
366 366  BAT Status
367 367  
368 368  00(b): Ultra Low ( BAT <= 2.50v)
... ... @@ -372,8 +372,8 @@
372 372  10(b): OK   (2.55v <= BAT <=2.65v)
373 373  
374 374  11(b): Good   (BAT >= 2.65v)
375 -)))|(% style="width:134px" %)(((
376 -[[Built-in Humidity>>path:http://8.211.40.43/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LHT65N%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20Manual/#H2.4.4Built-inHumidity]]
282 +)))|(% style="width:136px" %)(((
283 +[[Built-in Humidity>>path:#SHT20_Humidity]]
377 377  
378 378  
379 379  )))
... ... @@ -380,10 +380,12 @@
380 380  
381 381  * **Status & Ext Byte**
382 382  
383 -(% border="1" style="background-color:#ffffcc; color:green; width:587px" %)
384 -|(% style="width:109px" %)**Bits**|(% style="width:105px" %)**7**|(% style="width:105px" %)**6**|(% style="width:82px" %)**5**|(% style="width:84px" %)**4**|(% style="width:97px" %)**[3:0]**
385 -|(% style="width:109px" %)**Status & Ext**|(% style="width:105px" %)Not Defined|(% style="width:105px" %)Poll Message Flag|(% style="width:82px" %)Sync time OK|(% style="width:84px" %)Unix Time Request|(% style="width:97px" %)(((
386 -Ext:0b(1001)
290 +(% style="width:732px" %)
291 +|(% style="width:128px" %)**Bits**|(% style="width:102px" %)**7**|(% style="width:145px" %)**6**|(% style="width:117px" %)**5**|(% style="width:147px" %)**4**|(% style="width:90px" %)**[3:0]**
292 +|(% style="width:128px" %)**Status & Ext**|(% style="width:102px" %)Not Defined|(% style="width:145px" %)Poll Message Flag|(% style="width:117px" %)Sync time OK|(% style="width:147px" %)Unix Time Request|(% style="width:90px" %)(((
293 +Ext:
294 +
295 +0b(1001)
387 387  )))
388 388  
389 389  * Poll Message Flag: 1: This message is a poll message reply, 0: means this is a normal uplink.
... ... @@ -390,21 +390,17 @@
390 390  * Sync time OK: 1: Set time ok，0: N/A. After time SYNC request is sent, LHT65N will set this bit to 0 until got the time stamp from the application server.
391 391  * Unix Time Request:1: Request server downlink Unix time, 0 : N/A. In this mode, LHT65N will set this bit to 1 every 10 days to request a time SYNC. (AT+SYNCMOD to set this)
392 392  
393 -== 2.5 Show data on Datacake ==
302 +== Show data on Datacake ==
394 394  
395 395  Datacake IoT platform provides a human-friendly interface to show the sensor data, once we have sensor data in TTN V3, we can use Datacake to connect to TTN V3 and see the data in Datacake. Below are the steps:
396 396  
397 -(((
306 +
398 398  **Step 1**: Be sure that your device is programmed and properly connected to the LoRaWAN network.
399 -)))
400 400  
401 -(((
402 402  **Step 2**: Configure your Application to forward data to Datacake you will need to add integration. Go to TTN V3 Console ~-~-> Applications ~-~-> Integrations ~-~-> Add Integrations.
403 -)))
404 404  
405 -(((
311 +
406 406  Add Datacake:
407 -)))
408 408  
409 409  [[image:image-20220523000825-7.png||height="262" width="583"]]
410 410  
... ... @@ -413,17 +413,21 @@
413 413  
414 414  [[image:image-20220523000825-8.png||height="453" width="406"]]
415 415  
321 +
416 416  In Datacake console ([[https:~~/~~/datacake.co/>>url:https://datacake.co/]]) , add LHT65 device.
417 417  
418 418  [[image:image-20220523000825-9.png||height="366" width="392"]]
419 419  
420 -[[image:image-20220523000825-10.png||height="413" width="728"]]
421 421  
422 -== 2.6 Datalog Feature ==
423 423  
328 +[[image:image-20220523000825-10.png||height="432" width="762"]]
329 +
330 +
331 +== Datalog Feature ==
332 +
424 424  This feature is always enabled. When user wants to retrieve the sensor value, he can send a poll command from the IoT platform to ask LHT65N to send the value in the required time slot.
425 425  
426 -=== 2.6.1 Unix TimeStamp ===
335 +=== Unix TimeStamp ===
427 427  
428 428  LHT65N uses Unix TimeStamp format based on
429 429  
... ... @@ -430,142 +430,100 @@
430 430  [[image:image-20220523001219-11.png||height="97" width="627"]]
431 431  
432 432  
433 -(((
434 434  User can get this time from link:  [[https:~~/~~/www.epochconverter.com/>>url:https://www.epochconverter.com/]] :
435 -)))
436 436  
437 -(((
438 438  Below is the converter example
439 -)))
440 440  
441 -[[image:image-20220523001219-12.png||height="298" width="720"]]
346 +[[image:image-20220523001219-12.png||height="353" width="853"]]
442 442  
443 443  So, we can use AT+TIMESTAMP=1611889405 or downlink 3060137afd00 to set the current time 2021 – Jan ~-~- 29 Friday 03:03:25
444 444  
445 -=== 2.6.2 Set Device Time ===
446 446  
447 -(((
351 +=== Set Device Time ===
352 +
448 448  There are two ways to set device’s time:
449 -)))
450 450  
451 -(((
452 452  **~1. Through LoRaWAN MAC Command (Default settings)**
453 -)))
454 454  
455 -(((
456 456  User need to set SYNCMOD=1 to enable sync time via MAC command.
457 -)))
458 458  
459 -(((
460 460  Once LHT65N Joined LoRaWAN network, it will send the MAC command (DeviceTimeReq) and the server will reply with (DeviceTimeAns) to send the current time to LHT65N. If LHT65N fails to get the time from the server, LHT65N will use the internal time and wait for next time request (AT+SYNCTDC to set the time request period, default is 10 days).
461 -)))
462 462  
463 -(((
464 464  Note: LoRaWAN Server need to support LoRaWAN v1.0.3(MAC v1.0.3) or higher to support this MAC command feature, Chirpstack,TTN V3 v3 and loriot support but TTN V3 v2 doesn’t support. If server doesn’t support this command, it will through away uplink packet with this command, so user will lose the packet with time request for TTN V3 v2 if SYNCMOD=1.
465 -)))
466 466  
467 -(((
468 -
469 -)))
470 470  
471 -(((
472 472  **2. Manually Set Time**
473 -)))
474 474  
475 -(((
476 476  User needs to set SYNCMOD=0 to manual time, otherwise, the user set time will be overwritten by the time set by the server.
477 -)))
478 478  
479 -=== 2.6.3 Poll sensor value ===
480 480  
369 +=== Poll sensor value ===
370 +
481 481  User can poll sensor value based on timestamps from the server. Below is the downlink command.
482 482  
483 483  
484 -(% border="1" style="background-color:#ffffcc; color:green; width:427px" %)
485 -|(% style="width:61px" %)1byte|(% style="width:126px" %)4bytes|(% style="width:120px" %)4bytes|(% style="width:115px" %)1byte
486 -|(% style="width:61px" %)31|(% style="width:126px" %)Timestamp start|(% style="width:120px" %)Timestamp end|(% style="width:115px" %)Uplink Interval
374 +(% style="width:454px" %)
375 +|(% style="width:69px" %)1byte|(% style="width:129px" %)4bytes|(% style="width:134px" %)4bytes|(% style="width:119px" %)1byte
376 +|(% style="width:69px" %)31|(% style="width:129px" %)Timestamp start|(% style="width:134px" %)Timestamp end|(% style="width:119px" %)Uplink Interval
487 487  
488 -(((
489 489  Timestamp start and Timestamp end use Unix TimeStamp format as mentioned above. Devices will reply with all data log during this time period, use the uplink interval.
490 -)))
491 491  
492 -(((
493 -For example, downlink command **31 5FC5F350 5FC6 0160 05**
494 -)))
495 495  
496 -(((
381 +For example, downlink command 31 5FC5F350 5FC6 0160 05
382 +
497 497  Is to check 2020/12/1 07:40:00 to 2020/12/1 08:40:00’s data
498 -)))
499 499  
500 -(((
501 501  Uplink Internal =5s，means LHT65N will send one packet every 5s. range 5~~255s.
502 -)))
503 503  
504 504  
505 -=== 2.6.4 Datalog Uplink payload ===
388 +=== Datalog Uplink payload ===
506 506  
507 507  The Datalog poll reply uplink will use below payload format.
508 508  
509 -(((
510 -**Retrieval data payload**
511 -)))
512 512  
513 -(% border="1" style="background-color:#ffffcc; color:green; width:586px" %)
514 -|(% style="width:94px" %)**Size(bytes)**|(% style="width:106px" %)**2**|(% style="width:126px" %)**2**|(% style="width:106px" %)**2**|(% style="width:89px" %)**1**|(% style="width:58px" %)**4**
515 -|(% style="width:94px" %)**Value**|(% style="width:106px" %)[[External sensor data>>path:http://8.211.40.43/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LHT65N%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20Manual/#H2.4.6Extvalue]]|(% style="width:126px" %)(((
516 -[[Built-In Temperature >>http://8.211.40.43/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LHT65N%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20Manual/#H2.4.3Built-inTemperature]]
517 -)))|(% style="width:106px" %)(((
518 -[[Built-in>>path:http://8.211.40.43/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LHT65N%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20Manual/#H2.4.4Built-inHumidity]][[ Humidity>>http://8.211.40.43/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LHT65N%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20Manual/#H2.4.4Built-inHumidity]]
519 -)))|(% style="width:89px" %)[[Poll message flag & Ext>>path:http://8.211.40.43/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LHT65N%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20Manual/#H2.6.4DatalogUplinkpayload]]|(% style="width:58px" %)(((
520 -[[Unix Time Stamp>>path:http://8.211.40.43/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LHT65N%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20Manual/#H2.6.1UnixTimeStamp]]
393 +Retrieval data payload
521 521  
395 +|**Size(bytes)**|**2**|**2**|**2**|**1**|**4**
396 +|**Value**|[[External sensor data>>path:#Extension_sensor_value]]|(((
397 +[[Built-In>>path:#SHT20_Temperature]]
398 +
399 +[[Temperature>>path:#SHT20_Temperature]]
400 +)))|(((
401 +[[Built-in>>path:#SHT20_Humidity]]
402 +
403 +[[Humidity>>path:#SHT20_Humidity]]
404 +)))|[[Poll message flag & Ext>>path:#Poll_EXT]]|(((
405 +[[Unix Time Stamp>>path:#Unix_Time_Stamp]]
406 +
522 522  
523 523  )))
524 524  
525 -**Poll message flag & Ext**
410 +Poll message flag & Ext
526 526  
527 -(% border="1" style="background-color:#ffffcc; color:green; width:540px" %)
528 -|(% style="width:81px" %)**Bits**|(% style="width:100px" %)**7**|(% style="width:105px" %)**6**|(% style="width:84px" %)**5**|(% style="width:85px" %)**4**|(% style="width:79px" %)**[3:0]**
529 -|(% style="width:81px" %)**Status & Ext**|(% style="width:100px" %)Not Defined|(% style="width:105px" %)Poll Message Flag|(% style="width:84px" %)Sync time OK|(% style="width:85px" %)Unix Time Request|(% style="width:79px" %)(((
412 +
413 +|**Bits**|**7**|**6**|**5**|**4**|**[3:0]**
414 +|**Status & Ext**|Not Defined|Poll Message Flag|Sync time OK|Unix Time Request|(((
530 530  Ext:
531 531  
532 532  0b(1001)
533 533  )))
534 534  
535 -(((
536 536  Poll Message Flag: 1: This message is a poll message reply.
537 -)))
538 538  
539 -* (((
540 -Poll Message Flag is set to 1.
541 -)))
542 -* (((
543 -Each data entry is 11 bytes, to save airtime and battery, devices will send max bytes according to the current DR and Frequency bands.
544 -)))
422 +* Poll Message Flag is set to 1.
423 +* Each data entry is 11 bytes, to save airtime and battery, devices will send max bytes according to the current DR and Frequency bands.
545 545  
546 -(((
547 547  For example, in US915 band, the max payload for different DR is:
548 -)))
549 549  
550 -(((
551 -a) DR0: max is 11 bytes so one entry of data
552 -)))
427 +a)      DR0: max is 11 bytes so one entry of data
553 553  
554 -(((
555 -b) DR1: max is 53 bytes so devices will upload 4 entries of data (total 44 bytes)
556 -)))
429 +b)      DR1: max is 53 bytes so devices will upload 4 entries of data (total 44 bytes)
557 557  
558 -(((
559 -c) DR2: total payload includes 11 entries of data
560 -)))
431 +c)      DR2: total payload includes 11 entries of data
561 561  
562 -(((
563 -d) DR3: total payload includes 22 entries of data.
564 -)))
433 +d)      DR3: total payload includes 22 entries of data.
565 565  
566 -(((
567 567  If devise doesn’t have any data in the polling time. Device will uplink 11 bytes of 0   
568 -)))
569 569  
570 570  
571 571  **Example:**
... ... @@ -572,19 +572,6 @@
572 572  
573 573  If LHT65N has below data inside Flash:
574 574  
575 -[[image:image-20220523144455-1.png||height="335" width="735"]]
576 -
577 -(% border="1" style="background-color:#ffffcc; color:green; width:709px" %)
578 -|(% style="width:89px" %)Flash Addr|(% style="width:136px" %)Unix Time|(% style="width:39px" %)Ext|(% style="width:97px" %)BAT voltage|(% style="width:344px" %)Value
579 -|(% style="width:89px" %)80196E0|(% style="width:136px" %)21/1/19 04:27:03|(% style="width:39px" %)1|(% style="width:97px" %)3145|(% style="width:344px" %)sht_temp=22.00 sht_hum=32.6 ds_temp=327.67
580 -|(% style="width:89px" %)80196F0|(% style="width:136px" %)21/1/19 04:28:57|(% style="width:39px" %)1|(% style="width:97px" %)3145|(% style="width:344px" %)sht_temp=21.90 sht_hum=33.1 ds_temp=327.67
581 -|(% style="width:89px" %)8019700|(% style="width:136px" %)21/1/19 04:30:30|(% style="width:39px" %)1|(% style="width:97px" %)3145|(% style="width:344px" %)sht_temp=21.81 sht_hum=33.4 ds_temp=327.67
582 -|(% style="width:89px" %)8019710|(% style="width:136px" %)21/1/19 04:40:30|(% style="width:39px" %)1|(% style="width:97px" %)3145|(% style="width:344px" %)sht_temp=21.65 sht_hum=33.7 ds_temp=327.67
583 -|(% style="width:89px" %)8019720|(% style="width:136px" %)21/1/19 04:50:30|(% style="width:39px" %)1|(% style="width:97px" %)3147|(% style="width:344px" %)sht_temp=21.55 sht_hum=34.1 ds_temp=327.67
584 -|(% style="width:89px" %)8019730|(% style="width:136px" %)21/1/19 05:00:30|(% style="width:39px" %)1|(% style="width:97px" %)3149|(% style="width:344px" %)sht_temp=21.50 sht_hum=34.1 ds_temp=327.67
585 -|(% style="width:89px" %)8019740|(% style="width:136px" %)21/1/19 05:10:30|(% style="width:39px" %)1|(% style="width:97px" %)3149|(% style="width:344px" %)sht_temp=21.43 sht_hum=34.6 ds_temp=327.67
586 -|(% style="width:89px" %)8019750|(% style="width:136px" %)21/1/19 05:20:30|(% style="width:39px" %)1|(% style="width:97px" %)3151|(% style="width:344px" %)sht_temp=21.35 sht_hum=34.9 ds_temp=327.67
587 -
588 588  Flash Addr   |Unix Time | Ext | BAT voltage|  Value                  
589 589  
590 590  80196E0 21/1/19 04:27:03 1 3145 sht_temp=22.00 sht_hum=32.6 ds_temp=327.67
... ... @@ -604,8 +604,10 @@
604 604  8019750 21/1/19 05:20:30 1 3151 sht_temp=21.35 sht_hum=34.9 ds_temp=327.67
605 605  
606 606  
607 -If user sends below downlink command: (% style="background-color:yellow" %)3160065F9760066DA705
461 +If user sends below downlink command:
608 608  
463 +3160065F9760066DA705
464 +
609 609   Where : Start time: 60065F97 = time 21/1/19 04:27:03
610 610  
611 611   Stop time 60066DA7= time 21/1/19 05:27:03
... ... @@ -613,7 +613,7 @@
613 613  
614 614  LHT65N will uplink this payload.
615 615  
616 -[[image:image-20220523001219-13.png||height="421" width="727"]]
472 +[[image:image-20220523001219-13.png]]
617 617  
618 618  7FFF089801464160065F977FFF088E014B41600660097FFF0885014E41600660667FFF0875015141600662BE7FFF086B015541600665167FFF08660155416006676E7FFF085F015A41600669C67FFF0857015D4160066C1E
619 619  
... ... @@ -632,7 +632,7 @@
632 632  Unix time is 0x60065F97=1611030423s=21/1/19 04:27:03
633 633  
634 634  
635 -== 2.7 Alarm Mode ==
491 +== Alarm Mode ==
636 636  
637 637  Alarm mode feature is added since firmware v1.5. When device is in Alarm mode, it will check the built-in sensor temperature in a short interval. If the temperature exceeds the pre-configure range, it will send an uplink immediately.
638 638  
... ... @@ -648,7 +648,7 @@
648 648  
649 649  
650 650  
651 -== 2.8 LED Indicator ==
507 +== LED Indicator ==
652 652  
653 653  The LHT65N has a triple color LED which for easy shows different stage.
654 654  
... ... @@ -663,14 +663,17 @@
663 663  
664 664  ----
665 665  
666 -== 2.9 Installation ==
522 +== Installation ==
667 667  
668 668  [[image:image-20220516231650-1.png||height="436" width="428"]]
669 669  
670 -= 3. Sensors & Accessories =
671 671  
672 -== 3.1 E3 Temperature Probe ==
673 673  
528 +
529 += Sensors & Accessories =
530 +
531 +== E3 Temperature Probe ==
532 +
674 674  [[image:image-20220515080154-4.png||height="182" width="161"]] [[image:image-20220515080330-5.png||height="201" width="195"]]
675 675  
676 676  
... ... @@ -683,7 +683,7 @@
683 683  * -55°C to 125°C
684 684  * Working voltage 2.35v ~~ 5v
685 685  
686 -= 4. Configure LHT65N via AT Command or LoRaWAN Downlink =
545 += Configure LHT65N via AT Command or LoRaWAN Downlink =
687 687  
688 688  Use can configure LHT65N via AT Command or LoRaWAN Downlink.
689 689  
... ... @@ -692,6 +692,7 @@
692 692  
693 693  [[http:~~/~~/wiki.dragino.com/index.php?title=Main_Page#Use_Note_for_Server>>url:http://wiki.dragino.com/index.php?title=Main_Page#Use_Note_for_Server]]
694 694  
554 +
695 695  There are two kinds of commands to configure LHT65N, they are:
696 696  
697 697  * **General Commands**.
... ... @@ -705,17 +705,19 @@
705 705  
706 706  [[http:~~/~~/wiki.dragino.com/index.php?title=End_Device_Downlink_Command>>url:http://wiki.dragino.com/index.php?title=End_Device_Downlink_Command]]
707 707  
568 +
569 +
708 708  * **Commands special design for LHT65N**
709 709  
710 710  These commands are only valid for LHT65N, as below:
711 711  
712 -== 4.1 Set Transmit Interval Time ==
713 713  
575 +== Set Transmit Interval Time ==
576 +
714 714  Feature: Change LoRaWAN End Node Transmit Interval.
715 715  
716 716  **AT Command: AT+TDC**
717 717  
718 -(% border="1" %)
719 719  |**Command Example**|**Function**|**Response**
720 720  |AT+TDC?|Show current transmit Interval|(((
721 721  30000
... ... @@ -739,13 +739,12 @@
739 739  * Example 1: Downlink Payload: 0100001E ~/~/ Set Transmit Interval (TDC) = 30 seconds
740 740  * Example 2: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
741 741  
742 -== 4.2 Set External Sensor Mode ==
604 +== Set External Sensor Mode ==
743 743  
744 744  Feature: Change External Sensor Mode.
745 745  
746 746  **AT Command: AT+EXT**
747 747  
748 -(% border="1" %)
749 749  |**Command Example**|**Function**|**Response**
750 750  |AT+EXT?|Get current external sensor mode|(((
751 751  1
... ... @@ -767,7 +767,7 @@
767 767  * 0xA209: Same as AT+EXT=9
768 768  * 0xA20702003c,Same as AT+SETCNT=60
769 769  
770 -== 4.3 Enable/Disable uplink Temperature probe ID ==
631 +== Enable/Disable uplink Temperature probe ID ==
771 771  
772 772  Feature: If PID is enabled, device will send the temperature probe ID on:
773 773  
... ... @@ -779,7 +779,6 @@
779 779  
780 780  **AT Command:**
781 781  
782 -(% border="1" %)
783 783  |**Command Example**|**Function**|**Response**
784 784  |AT+PID=1|Enable PID uplink|OK
785 785  
... ... @@ -788,13 +788,12 @@
788 788  * 0xA800     à AT+PID=0
789 789  * 0xA801     à AT+PID=1
790 790  
791 -== 4.4 Set Password ==
651 +== Set Password ==
792 792  
793 793  Feature: Set device password, max 9 digits
794 794  
795 795  **AT Command: AT+PWORD**
796 796  
797 -(% border="1" %)
798 798  |**Command Example**|**Function**|**Response**
799 799  |AT+PWORD=?|Show password|(((
800 800  123456
... ... @@ -808,13 +808,13 @@
808 808  
809 809  No downlink command for this feature.
810 810  
811 -== 4.5 Quit AT Command ==
812 812  
671 +== Quit AT Command ==
672 +
813 813  Feature: Quit AT Command mode, so user needs to input password again before use AT Commands.
814 814  
815 815  **AT Command: AT+DISAT**
816 816  
817 -(% border="1" %)
818 818  |**Command Example**|**Function**|**Response**
819 819  |AT+DISAT|Quit AT Commands mode|OK
820 820  
... ... @@ -823,13 +823,12 @@
823 823  No downlink command for this feature.
824 824  
825 825  
826 -== 4.6 Set to sleep mode ==
685 +== Set to sleep mode ==
827 827  
828 828  Feature: Set device to sleep mode
829 829  
830 830  **AT Command: AT+SLEEP**
831 831  
832 -(% border="1" %)
833 833  | | |
834 834  |**Command Example**|**Function**|**Response**
835 835  |AT+SLEEP|Set to sleep mode|(((
... ... @@ -842,13 +842,12 @@
842 842  
843 843  * There is no downlink command to set to Sleep mode.
844 844  
845 -== 4.7 Set system time ==
703 +== Set system time ==
846 846  
847 847  Feature: Set system time, unix format. [[See here for format detail.>>path:#TimeStamp]]
848 848  
849 849  **AT Command:**
850 850  
851 -(% border="1" %)
852 852  |**Command Example**|**Function**
853 853  |AT+TIMESTAMP=1611104352|(((
854 854  OK
... ... @@ -860,10 +860,12 @@
860 860  
861 861  0x306007806000 ~/~/ Set timestamp to 0x(6007806000),Same as AT+TIMESTAMP=1611104352
862 862  
863 -== 4.8 Set Time Sync Mode ==
864 864  
721 +== Set Time Sync Mode ==
722 +
865 865  Feature: Enable/Disable Sync system time via LoRaWAN MAC Command (DeviceTimeReq), LoRaWAN server must support v1.0.3 protocol to reply this command.
866 866  
725 +
867 867  SYNCMOD is set to 1 by default. If user want to set a different time from LoRaWAN server, user need to set this to 0.
868 868  
869 869  
... ... @@ -878,13 +878,13 @@
878 878  
879 879  0x28 00 ~/~/ Same As AT+SYNCMOD=0
880 880  
881 -== 4.9 Set Time Sync Interval ==
882 882  
741 +== Set Time Sync Interval ==
742 +
883 883  Feature: Define System time sync interval. SYNCTDC default value: 10 days.
884 884  
885 885  **AT Command:**
886 886  
887 -(% border="1" %)
888 888  |**Command Example**|**Function**
889 889  |AT+SYNCTDC=0x0A|Set SYNCTDC to 10 (0x0A), so the sync time is 10 days.
890 890  
... ... @@ -892,13 +892,13 @@
892 892  
893 893  0x29 0A ~/~/ Same as AT+SYNCTDC=0x0A
894 894  
895 -== 4.10 Print data entries base on page. ==
896 896  
755 +== Print data entries base on page. ==
756 +
897 897  Feature: Print the sector data from start page to stop page (max is 416 pages).
898 898  
899 899  **AT Command: AT+PDTA**
900 900  
901 -(% border="1" %)
902 902  |**Command Example**|**Response**
903 903  |(((
904 904  AT+PDTA=1,3
... ... @@ -947,13 +947,14 @@
947 947  
948 948  No downlink commands for feature
949 949  
950 -== 4.11 Print last few data entries. ==
951 951  
810 +
811 +== Print last few data entries. ==
812 +
952 952  Feature: Print the last few data entries
953 953  
954 954  **AT Command: AT+PLDTA**
955 955  
956 -(% border="1" %)
957 957  |**Command Example**|**Response**
958 958  |(((
959 959  AT+PLDTA=5
... ... @@ -983,13 +983,14 @@
983 983  
984 984  No downlink commands for feature
985 985  
986 -== 4.12 Clear Flash Record ==
987 987  
847 +
848 +== Clear Flash Record ==
849 +
988 988  Feature: Clear flash storage for data log feature.
989 989  
990 990  **AT Command: AT+CLRDTA**
991 991  
992 -(% border="1" %)
993 993  |**Command Example**|**Function**|**Response**
994 994  |AT+CLRDTA|Clear date record|(((
995 995  Clear all stored sensor data…
... ... @@ -1001,31 +1001,35 @@
1001 1001  
1002 1002  * Example: 0xA301 ~/~/Same as AT+CLRDTA
1003 1003  
1004 -= 5. Battery & How to replace =
1005 1005  
1006 -== 5.1 Battery Type ==
866 += Battery & How to replace =
1007 1007  
868 +== Battery Type ==
869 +
1008 1008  LHT65N is equipped with a 2400mAH Li-MnO2 (CR17505) battery . The battery is an un-rechargeable battery with low discharge rate targeting for up to 8~~10 years use. This type of battery is commonly used in IoT devices for long-term running, such as water meters.
1009 1009  
1010 1010  The discharge curve is not linear so can’t simply use percentage to show the battery level. Below is the battery performance.
1011 1011  [[image:image-20220515075034-1.png||height="208" width="644"]]
1012 1012  
875 +
1013 1013  The minimum Working Voltage for the LHT65N is ~~ 2.5v. When battery is lower than 2.6v, it is time to change the battery.
1014 1014  
1015 1015  
1016 -== 5.2 Replace Battery ==
879 +== Replace Battery ==
1017 1017  
1018 1018  LHT65N has two screws on the back, Unscrew them, and changing the battery inside is ok. The battery is a general CR17450 battery. Any brand should be ok.
1019 1019  
1020 1020  [[image:image-20220515075440-2.png||height="338" width="272"]][[image:image-20220515075625-3.png||height="193" width="257"]]
1021 1021  
1022 -== 5.3 Battery Life Analyze ==
1023 1023  
886 +== Battery Life Analyze ==
887 +
1024 1024  Dragino battery-powered products are all run in Low Power mode. User can check the guideline from this link to calculate the estimated battery life:
1025 1025  https:~/~/www.dragino.com/downloads/downloads/LoRa_End_Node/Battery_Analyze/DRAGINO_Battery_Life_Guide.pdf
1026 1026  
1027 -= 6. Order Info =
1028 1028  
892 += Order Info =
893 +
1029 1029  Part Number: (% class="mark" %)**LHT65N-XX**
1030 1030  
1031 1031  **XX**: The default frequency band
... ... @@ -1043,7 +1043,7 @@
1043 1043  
1044 1044  * **E3**: External Temperature Probe
1045 1045  
1046 -= 7. Packing Info =
911 += Packing Info =
1047 1047  
1048 1048  **Package Includes**:
1049 1049  
... ... @@ -1058,10 +1058,10 @@
1058 1058  * Package Size / pcs : 14.5 x 8 x 5 cm
1059 1059  * Weight / pcs : 170g
1060 1060  
1061 -= 8. FCC Warning =
926 += FCC Warning =
1062 1062  
1063 1063  This device complies with part 15 of the FCC Rules.Operation is subject to the following two conditions:
1064 1064  
1065 -(1) This device may not cause harmful interference；
930 +(1) This device may not cause harmful interference, and
1066 1066  
1067 -(2) this device must accept any interference received, including interference that may cause undesired operation.
932 +(2) this device must accept any interference received, including interference that may cause undesired operation
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